CA2391458A1 - Paperboard tray having crack-resistant barrier coating - Google Patents

Paperboard tray having crack-resistant barrier coating Download PDF

Info

Publication number
CA2391458A1
CA2391458A1 CA002391458A CA2391458A CA2391458A1 CA 2391458 A1 CA2391458 A1 CA 2391458A1 CA 002391458 A CA002391458 A CA 002391458A CA 2391458 A CA2391458 A CA 2391458A CA 2391458 A1 CA2391458 A1 CA 2391458A1
Authority
CA
Canada
Prior art keywords
barrier coating
crack
paperboard
layer
resistant barrier
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
CA002391458A
Other languages
French (fr)
Other versions
CA2391458C (en
Inventor
Alan W. Denney
Jerry Deweese
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
BRPP LLC
Original Assignee
Individual
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Individual filed Critical Individual
Publication of CA2391458A1 publication Critical patent/CA2391458A1/en
Application granted granted Critical
Publication of CA2391458C publication Critical patent/CA2391458C/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B27/00—Layered products comprising a layer of synthetic resin
    • B32B27/06—Layered products comprising a layer of synthetic resin as the main or only constituent of a layer, which is next to another layer of the same or of a different material
    • B32B27/10—Layered products comprising a layer of synthetic resin as the main or only constituent of a layer, which is next to another layer of the same or of a different material of paper or cardboard
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B27/00—Layered products comprising a layer of synthetic resin
    • B32B27/36—Layered products comprising a layer of synthetic resin comprising polyesters
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B37/00—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding
    • B32B37/14—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding characterised by the properties of the layers
    • B32B37/15—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding characterised by the properties of the layers with at least one layer being manufactured and immediately laminated before reaching its stable state, e.g. in which a layer is extruded and laminated while in semi-molten state
    • B32B37/153—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding characterised by the properties of the layers with at least one layer being manufactured and immediately laminated before reaching its stable state, e.g. in which a layer is extruded and laminated while in semi-molten state at least one layer is extruded and immediately laminated while in semi-molten state
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B38/00—Ancillary operations in connection with laminating processes
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
    • B65D1/00—Containers having bodies formed in one piece, e.g. by casting metallic material, by moulding plastics, by blowing vitreous material, by throwing ceramic material, by moulding pulped fibrous material, by deep-drawing operations performed on sheet material
    • B65D1/34—Trays or like shallow containers
    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
    • C09D167/00—Coating compositions based on polyesters obtained by reactions forming a carboxylic ester link in the main chain; Coating compositions based on derivatives of such polymers
    • C09D167/02—Polyesters derived from dicarboxylic acids and dihydroxy compounds
    • D—TEXTILES; PAPER
    • D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
    • D21H19/00—Coated paper; Coating material
    • D21H19/36—Coatings with pigments
    • D21H19/44—Coatings with pigments characterised by the other ingredients, e.g. the binder or dispersing agent
    • D21H19/62—Macromolecular organic compounds or oligomers thereof obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2255/00—Coating on the layer surface
    • B32B2255/12—Coating on the layer surface on paper layer
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2255/00—Coating on the layer surface
    • B32B2255/26—Polymeric coating
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2317/00—Animal or vegetable based
    • B32B2317/12—Paper, e.g. cardboard
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2367/00—Polyesters, e.g. PET, i.e. polyethylene terephthalate
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2439/00—Containers; Receptacles
    • B32B2439/02—Open containers
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2439/00—Containers; Receptacles
    • B32B2439/70—Food packaging
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
    • B65D2581/00—Containers, packaging elements, or packages, for contents presenting particular transport or storage problems, or adapted to be used for non-packaging purposes after removal of contents
    • B65D2581/34—Containers, packaging elements, or packages, for contents presenting particular transport or storage problems, or adapted to be used for non-packaging purposes after removal of contents for packaging foodstuffs or other articles intended to be cooked or heated within
    • D—TEXTILES; PAPER
    • D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
    • D21H23/00—Processes or apparatus for adding material to the pulp or to the paper
    • D21H23/02—Processes or apparatus for adding material to the pulp or to the paper characterised by the manner in which substances are added
    • D21H23/22—Addition to the formed paper
    • D21H23/46—Pouring or allowing the fluid to flow in a continuous stream on to the surface, the entire stream being carried away by the paper

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Materials Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Ceramic Engineering (AREA)
  • Wood Science & Technology (AREA)
  • Organic Chemistry (AREA)
  • Laminated Bodies (AREA)
  • Containers Having Bodies Formed In One Piece (AREA)
  • Wrappers (AREA)
  • Cartons (AREA)

Abstract

This invention provides laminated paperboard in a process of producing the laminated paperboard having a food contacting burner layer which comprises a mixture of a polyester layer, a polymeric plasticizer, and a pigment. The burner composition is mixed together at room temperature, melted into a master batch, and extruded as a single layer onto a paperboard substrate.
The barrier layer provides a food contact surface which can be pressed into a deep draw tray, the deep draw tray maintaining the structural integrity of the barrier coating.
CA002391458A 1999-12-03 2000-12-04 Paperboard tray having crack-resistant barrier coating Expired - Lifetime CA2391458C (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US45437299A 1999-12-03 1999-12-03
US09/454,372 1999-12-03
PCT/US2000/032884 WO2001039968A1 (en) 1999-12-03 2000-12-04 Paperboard tray having crack-resistant barrier coating

Publications (2)

Publication Number Publication Date
CA2391458A1 true CA2391458A1 (en) 2001-06-07
CA2391458C CA2391458C (en) 2006-01-17

Family

ID=23804350

Family Applications (1)

Application Number Title Priority Date Filing Date
CA002391458A Expired - Lifetime CA2391458C (en) 1999-12-03 2000-12-04 Paperboard tray having crack-resistant barrier coating

Country Status (6)

Country Link
EP (1) EP1268176B1 (en)
AT (1) ATE260755T1 (en)
AU (1) AU1814901A (en)
CA (1) CA2391458C (en)
DE (1) DE60008805T2 (en)
WO (1) WO2001039968A1 (en)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1295807A1 (en) * 2001-09-14 2003-03-26 Rabbit Food package for use in microwave ovens
CA2644685A1 (en) 2006-03-10 2007-09-20 Graphic Packaging International, Inc. Container with microwave interactive web
SE529897C2 (en) 2006-03-27 2007-12-27 Rottneros Ab Molded trough
EP2435336B1 (en) * 2009-05-26 2015-10-07 MeadWestvaco Corporation Tray and hermetically sealed container
EP2531406B1 (en) * 2010-02-03 2016-09-07 Emery Oleochemicals GmbH Packaging for lipophilic materials
CH705696A2 (en) * 2011-10-25 2013-04-30 Packartis Ag Packing material.
SE539559C2 (en) * 2014-04-16 2017-10-10 Stora Enso Oyj Process for making a heat-resistant polymer-coated oven board
EP3807088B1 (en) * 2018-06-13 2024-01-24 WestRock MWV, LLC Coated paperboard and a tray made therefrom

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4391833A (en) * 1975-09-04 1983-07-05 International Paper Company Method of making and using heat resistant resin coated paperboard product and product thereof
US4455184A (en) * 1980-09-10 1984-06-19 Champion International Corporation Production of laminate polyester and paperboard
US4343858A (en) * 1981-04-17 1982-08-10 Champion International Corporation Pigmented coated paperboard
US4469258A (en) * 1982-08-06 1984-09-04 Champion International Corporation Tray with compound sealed lid
US4900594A (en) * 1987-09-17 1990-02-13 International Paper Company Pressure formed paperboard tray with oriented polyester film interior
US5008333A (en) * 1988-06-13 1991-04-16 General Electric Co. Compatible polyphenylene ether-linear polyester blends having improved impact strength
US5968647A (en) * 1997-10-01 1999-10-19 International Paper Company Enhanced ethylene methyl acrylate adhesive tie material for polyester paperboard ovenable container

Also Published As

Publication number Publication date
EP1268176A4 (en) 2003-04-16
CA2391458C (en) 2006-01-17
EP1268176B1 (en) 2004-03-03
AU1814901A (en) 2001-06-12
ATE260755T1 (en) 2004-03-15
EP1268176A1 (en) 2003-01-02
DE60008805D1 (en) 2004-04-08
WO2001039968A1 (en) 2001-06-07
DE60008805T2 (en) 2005-08-11

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EEER Examination request
MKEX Expiry

Effective date: 20201204